Mixer attachment



FIG. 1 is a front, top, right-hand side perspective view of a first embodiment of a mixer attachment, comprising a new, original and ornamental design;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a right-hand side view thereof;

FIG. 5 is a left-hand side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is a front, top, right-hand side perspective view of a second embodiment of a mixer attachment, comprising a new, original and ornamental design;

FIG. 9 is a front view thereof;

FIG. 10 is a back view thereof;

FIG. 11 is a right-hand side view thereof;

FIG. 12 is a left-hand side view thereof;

FIG. 13 is a top view thereof; and,

FIG. 14 is a bottom view thereof. 

CLAIM The ornamental design for a mixer attachment, as shown and described. 